Description
2010 GMC Sierra 4.8L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2010 GMC Sierra 4.8L models. Each unit is pre-programmed to your vehicle’s VIN and updated to the latest manufacturer calibration for a true plug-and-play installation with no dealer visit required.
Built to OEM standards for reliability, shift quality, and long-term performance.
Strict Testing & Quality Assurance
Each TCM is fully refurbished, bench-tested, and inspected by our certified in-house technicians.
We use professional off-board testing equipment to verify:
Proper CAN-bus communication
Shift-solenoid activation
Input/Output sensor signal validation
Temperature and load simulation
Live-data performance under simulated driving conditions
No module leaves our facility without passing a full quality control inspection. This ensures you receive a unit that performs better than new at an unbeatable value.
Common Symptoms of a Faulty TCM
Hard shifting / delayed shifting
Gear slipping
Stuck in Limp Mode
Transmission overheating
Erratic gear changes
Poor fuel economy
Trouble codes related to shift solenoids or communication
Important Note
This TCM is fully programmed and updated and does not require additional programming after installation.
Simply install the unit and the vehicle will recognize it automatically.
If your original TCM has unique calibration or custom parameters, we also offer a TCM Cloning Service, which transfers all data-including VIN, shift adaptations, and configuration settings-into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566




Brandon Hudson –
I ordered the 2010 GMC Sierra 4.8L TCM Transmission Control Module and was impressed with how quickly it arrived thanks to their free shipping option. The plug-and-play setup made installation hassle-free, and my truck shifted smoothly right away. The whole process was straightforward, and I appreciated the quality and care they put into programming the unit. Highly recommend for anyone needing a reliable TCM replacement.
Matthew Miller –
Installed this 2010 GMC Sierra TCM in minutes—worked flawlessly right from the start. Super quick shipping and a perfect fit!
Marcus Turner –
I needed a replacement TCM for my 2010 GMC Sierra 4.8L, and this unit was exactly what I was looking for. The plug-and-play design made installation straightforward, and it saved me a ton of time compared to other options. The shipping was surprisingly quick and free, which was a nice bonus. The transmission shifts smoothly now, like new again. Overall, a great experience from ordering to driving.
After my transmission started acting up, I found this programmed TCM for my 2010 GMC Sierra and decided to give it a try. The professional programming service they offer meant I didn’t have to worry about compatibility or complicated setup, which was a huge relief. Their team was also very responsive, answering my questions within a day. Installation was hassle-free, and my truck feels like it’s running on all cylinders again. Definitely recommended if you want a reliable replacement with support.
I was really impressed with how fast this TCM arrived after ordering. The turnaround
Joel Cook –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. Great experience from start to finish!